Alabama CDL Practice Test: Double and Triples - Test 2020

Directions: To obtain this endorsement for pulling two or three trailers, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the Alabama Commercial Driver Handbook. The Double/Triple trailers endorsement can be used with the Class A CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Alabama DMV locations.

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1. While driving a combination vehicle, you should follow at least ____ second for each ____ ft. of your vehicle length.